serenity/Userland/Libraries/LibAudio/ConnectionFromClient.cpp

/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibAudio/Buffer.h>
#include <LibAudio/ConnectionFromClient.h>
#include <time.h>

namespace Audio {

// FIXME: We don't know what is a good value for this.
// Real-time audio may be improved with a lower value.
static timespec g_enqueue_wait_time { 0, 10'000'000 };

ConnectionFromClient::ConnectionFromClient(NonnullOwnPtr<Core::Stream::LocalSocket> socket)
    : IPC::ConnectionToServer<AudioClientEndpoint, AudioServerEndpoint>(*this, move(socket))
{
}

void ConnectionFromClient::enqueue(Buffer const& buffer)
{
    for (;;) {
        auto success = enqueue_buffer(buffer.anonymous_buffer(), buffer.id(), buffer.sample_count());
        if (success)
            break;
        nanosleep(&g_enqueue_wait_time, nullptr);
    }
}

void ConnectionFromClient::async_enqueue(Buffer const& buffer)
{
    async_enqueue_buffer(buffer.anonymous_buffer(), buffer.id(), buffer.sample_count());
}

bool ConnectionFromClient::try_enqueue(Buffer const& buffer)
{
    return enqueue_buffer(buffer.anonymous_buffer(), buffer.id(), buffer.sample_count());
}

void ConnectionFromClient::finished_playing_buffer(i32 buffer_id)
{
    if (on_finish_playing_buffer)
        on_finish_playing_buffer(buffer_id);
}

void ConnectionFromClient::main_mix_muted_state_changed(bool muted)
{
    if (on_main_mix_muted_state_change)
        on_main_mix_muted_state_change(muted);
}

void ConnectionFromClient::main_mix_volume_changed(double volume)
{
    if (on_main_mix_volume_change)
        on_main_mix_volume_change(volume);
}

void ConnectionFromClient::client_volume_changed(double volume)
{
    if (on_client_volume_change)
        on_client_volume_change(volume);
}

}